MCP669T-E/ML

Instrumentation, Op Amps, Buffer Amps Overview

The MCP669T-E/ML is a quad operational amplifier from the Microchip MCP660/1/2/3/4/5/9 family, housed in a QFN-16 package. It features a typical gain-bandwidth product of 60 MHz and a slew rate of 32 V/µs. The device operates on a supply voltage range of +2.5V to +5.5V with a typical quiescent current of 6.0 mA per channel. It includes Chip Select (CS) pins for low-power mode activation. Key electrical specifications include an input offset voltage of ±8 mV, input bias current of 6 pA, and output short-circuit current of 90 mA.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Features Chip Select (CS) digital inputs that enable a low-power shutdown mode when driven high.
• Provides rail-to-rail output swing with an input common-mode range that includes the negative supply rail.
• Designed for high-speed performance with unity-gain stability and no phase reversal upon overdrive.
• Delivers high output drive capability with a typical short-circuit current of 90 mA.

Instrumentation, Op Amps, Buffer Amps Applications

• Multi-Pole Active Filter
• Driving A/D Converters
• Power Amplifier Control Loops
• Line Driver
• Video Amplifier

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'E' corresponds to the extended temperature range (-40°C to +125°C) as documented in the datasheet. Confirm the 'ML' designation matches the QFN-16 package type required for your PCB layout. Ensure the 'T' indicates reel packaging if applicable to your assembly process. Cross-reference the manufacturer part number against official Microchip documentation to validate authenticity and revision status before procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a quad configuration is required alongside high bandwidth and fast slew rates. The inclusion of Chip Select pins makes it suitable for battery-powered designs requiring power management capabilities. Consider the 60 MHz gain-bandwidth product and 32 V/µs slew rate for applications demanding rapid signal processing. Verify that the 2.5V to 5.5V supply range aligns with your system's power architecture.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the MCP660/1/2/3/4/5/9 family of high-speed operational amplifiers manufactured by Microchip Technology using a CMOS process. The family offers various channel counts and package options, optimized for single-supply operation. The MCP669 specifically provides four channels with dual Chip Select pins for independent or grouped power control within a compact footprint.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Other members of the MCP66x family, such as MCP664T-E/ML, offer similar electrical characteristics but lack the Chip Select functionality. For non-CS quad op amps, consider the MCP664 series. Single-channel alternatives like MCP661T-E/ML provide comparable speed but require multiple units for quad applications.

Instrumentation, Op Amps, Buffer Amps FAQ

How does the Chip Select pin function?

The CS pin is a Schmitt-triggered digital input. Driving it high places the amplifier into a low-power mode where the output goes to a high-impedance state, reducing quiescent current significantly.

Does the MCP669 exhibit phase reversal?

No, the device is designed to not exhibit phase inversion even when the input pins exceed the supply voltages.

What is the input common-mode voltage range?

The input common-mode voltage range includes the negative rail (VSS), allowing signals to be processed down to ground potential in single-supply configurations.